package com.sz10.p2p.mapper;

import com.sz10.p2p.model.User;

public interface UserMapper {
    int deleteByPrimaryKey(Integer id);

    int insert(User record);

    int insertSelective(User record);

    User selectByPrimaryKey(Integer id);

    int updateByPrimaryKeySelective(User record);

    int updateByPrimaryKey(User record);

    /**
     * 查询平台的总人数
     * @return
     */
    Integer selectUserCount();

}